Dreadpon said:
Did anyone try to solve this already?

People have had good solutions for several decades now. The problem isn't new.

Dreadpon said:
Surely there aren't 2 separate UI systems that are hardcoded into each edition of the game?

Two? No, that number is far too low. Often the ratios are 4:3, 3:…

I'm trying to figure out how OpenGL actually calculates the beginning of each attribute using the layout info I'm providing. I concluded to an equation that seems to work when providing a layout of :

{pos, normal, coord} → {pos, normal, coord} → {pos, normal, coord} → {pos, normal, coord} …

But when …